Your two moon signs are at 135 degree angles of opposition or in Quincunx or Inconjunct angle between them.
This will most likely be a relationship of certain responsibility. One of you feels a strong need to please or accomodate the other. An imbalance could be created and there is very little compatibility between these two Moon signs.Your Moon signs indicate that you have conflicting desires.
Taurus is typically a Moon sign of patience, stability, and responsibility, while Sagittarius is a Moon sign of cheerful, non-chalance and non-committal attitude. Together the two of you may have difficulty finding aspects of yourselves that are similar, and this could cause resentment and intolerance in the relationship.