Your two moon signs are 135 degrees apart forming a Quincunx angle.
One of you may feel like you are constantly working to please the other. This may a relationship that is out of balance and hence take extra care.
You are different in your understanding and opinion. Your Moon signs indicate that you are are not well matched. Cancer is typically a Moon sign of emotion and sensitivity, they have good intuition and a nurturing instinct. An Aquarius Moon is eccentric, sincere and a humanitarian. The Cancer Moon is quite dependent, while the Aquarius Moon is usually distant and remote, there may be irreconcilable differences in a close relationship.