Why do Smarties react when they are put in soda?

Soda makes smarties dissolve because the acid molecules gets to the sugar in the smarties, therefore, that much interaction and energy soon die down in the smarties and fade away (dissolve). It disolves because it is suger? I really do not know why! smaties are a soft compound and carbon in soda breaks the cels apart like acid. facts: soda makes the botom of your toungue sting but only for sec.