Does a lady tiger get along with a man ox sign? Do they all have the same personality?

I'm a lady capricorn, tiger 1/5/1975 . I always argue & couldn't get along well with my brother who is an Ox Libra sign man born in October 1961 .

My boyfriend who is a Scorpio, born October 1973 , I get along well with him? We don't argue as much but compromise. Why is that? Will it work in the future ? We r planning to get married ? Don't know when? We want to ask astrology first to see if tiger / ox match ?
Thanks