My boyfriend is a snake and I am a horse, i am wondering if we would be a good pair.

Well, pesonally I think so. I am a horse and my BF is a snake. We have stayed together for three years, everything goes well.
You may be a little impulsive and stubborn in the relationship, but your BF can always bear you and try to make you happy. When some arguments happen, don't be negative to admit your mistake so that you can maintain a very harmonious relationship. Good future will be the result of your relationship. Come on!