The best thing to do is to make it clear you will not stand for it, being 18 you are old enough to move out, have you thought about this?

How can you be put in an instituion because you argue back? It is hard to be put into one, and it only really happens if you are suicidal or homicidal.

You need to get a councilor who understands where you are coming from, and then you might be able to work through these issues

what about family therapy?