FOG (fear, obligation, guilt), it's easy to get caught up in any or all of these (usually all!) which keeps us in a place we should not be.
I'm assuming you have spoken to him about his drinking and he is lashing out at you? Alcoholics don't like to have their drinking mentioned in any negative way. Once you do, you become the enemy.
You don't need to sacrifice your life for him. You deserve to be treated with respect and kindness, as we all do.
If you think about it, of all the people in the world that you would expect to treat you this way, would that not be the person you married?
Yes, it's a brilliant idea to get that time and space away from him by going to your Mom's place. Take time for yourself, take care of yourself. Eat well, get as much rest as you can and talk it out, here, with your Mom (if possible), at Al-Anon.