There is no reaction between NaCl (sodium chloride) and BaCl2 (barium chloride) in solution.

Here's why:

* Both are soluble salts: Both NaCl and BaCl2 readily dissolve in water, forming ions.

* No new products are formed: The ions present in the solution are Na+, Cl-, Ba2+, and Cl-. There are no new compounds that can form from these ions.

Therefore, there is no balanced equation for this reaction because no reaction occurs.