Mg(OH)2=Mg2 + 2OH-

a) which species would react with if an acid H+ is added to the mixture? my answer is the equation will shift to the right (product)
b) would this cause a deficit or excess? my answer is excess
c) what would you predict would be observed by adding the acid? i don't know with this one pls help?
d)in c above use lechatelier's principle to explain the observation.
pls i need help this is one of the postlab questions which is not related to the experiment were having.

I answered this for you elsewhere