When the compound, Ba(C2H3O2)2, is mixed with water, the Ba(C2H3O2)2 is:

soluble because compounds containing the C2H3O2− ion are soluble in water

insoluble because most compounds containing the C2H3O2− ion are insoluble in water

soluble because all Ba+2 compounds are soluble in water

insoluble because no Ba+2 are soluble in water