Your two moon signs are at 135 degree angles (Quincunx or Inconjunct angle).
One of you feels a strong need to please or accomodate the other. An imbalance could be created, however if you can overcome this there is some degree of compatibility.
There also may be problems for each of you deciding on who will lead the other in this relationship since you both admire leadership and control. Your Moon signs indicate that you are slightly compatible.
Aries is a Moon sign of high spirits and independent fire, whereas Scorpio is a Moon sign of mysterious, moody strength and character highlighted by an attention to purpose. Together the two of you get along ok. You may find that you cannot fully get along well in this relationship as the Aries Moon may feel impatient with the tranquil and peaceful ways of the Scorpio Moon.