Which Statement About the Reaction Below Is True, Given Large

Which statement about the reaction below is true, given large amounts of reactants?

A) Ba(NO₃) ₂ is insoluble in water and will precipitate.
B) K₂CO₃ is insoluble in water and will precipitate.
C) BaCO₃ is insoluble in water and will precipitate.
D) Both BaCO₃ and KNO₃ are insoluble in water and will precipitate.
E) All compounds in the reaction are soluble in water and no reaction occurs.