Your two moon signs are 90 degrees apart in a Square relationship.
There may be many challenges in this relationship. A compromise is needed from one of you to overcome the bad feeling you may have on each other. Your Moon signs indicate that you are only slightly compatible.
Cancer is a Moon sign of sensitivity and family nurturing while Aries is a Moon sign of high spirits and independent fire. Together the two of you may have some trouble getting along, especially if the Aries Moon cannot learn to get in touch with the sensitive feelings and emotions of the Cancer Moon.