A student adds calcium carbonate to a solution. If the solution is an acid, what will happen?

$C a C {O}_{3} \left(s\right) + 2 H X \left(a q\right) \rightarrow C a {X}_{2} \left(a q\right) + C {O}_{2} \left(g\right) \uparrow + 2 {H}_{2} O \left(l\right)$