Well,i saw that gothic 2 is a good rpg game,but im asking
should i buy it?
becaise i have 3 questions in my mind that i cant answer,well,i hope you can answer:
1-Its like all the other RPGs (diablo 1&2,Baldurs gate,icewind dale,NewNights) and so on?
2-Do you have to survive?E.G=Hunt,eat,sleep,build and so on
and the last one
3=It is Open world,has a lot of weps and you only control one character??
well,thanks for your time

1. No. It is real time but it is stats based. It is not set in Faerun. It is its own game.
2. No. You can eat to heal last time I checked but you won't die if you don't eat or drink.
3. You have a lot of weapons, the world feels open and you can go anywhere but there is a story gently guiding you along.

Definitely worth checking out.
1. No, not really. It is an RPG but it's a unique one in that aspect.
2. There are a lot of survival skills, but you don't need to eat/drink/sleep etc. But you will gain health and in some special cases strength or mana from doing it.
3. It's an open world which the linear mainquest will guide you through. You can go questing on your own and do as you like.

Just to tag on my own question, how much is Gothic 2 like Morrowind?

There are very few similarities.
One of the most major differences is in the combat; in Gothic your blows always land (unless the enemy blocks), but when you are unskilled your swings are slower and do much less damage. All blocking is manual (not based on a skill) which means you can't just sit there and take a beating. This makes combat quite difficult and maintains a real sense of risk even when your character reaches the higher levels.
All characters are fully voiced, and since there are far fewer NPCs there are a lot more memorable characters. Even a lowly farmer's wife who might seem to have no real purpose in the game except to act as filler content might later give you a quest which you can solve in multiple ways.
The "guild" system is also completely different; choosing a faction is a central element of the game, and you can only pick one of the three (militia, mercenaries, fire mages). From then on your experience of the game will be quite different. Certain skills and items are only available to a particular guild; for instance, the mages are the only faction to have proper access to magic, although a militiaman can later become a paladin and gain access lower-level spells while all factions have access to single-use spell scrolls. There are also quite a few quests you can only get if you are in the right faction, while for others a particular faction will give you an additional way of completing a quest. Each faction also has its own type of armour, and as you progress you can gain access to better versions of it which provide additional protection as well as looking really impressive.