Your two moon signs are nearly 90 degrees apart and form a a Square aspect between them.
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.
Aries is a Moon sign of high spirits and independent fire, whereas Cancer is a Moon sign of sensitivity and family nurturing. 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.