The correct option is C common salt
Neutralisation takes place when an acid and a base react with each other. This results in formation of salt and water as shown:
Acid + Base → Salt + Water
Out of the given options, caustic soda(NaOH), slaked lime (Ca(OH)2), baking soda(NaHCO3) are all bases and hence react with hydrochloric acid to give salt and water whereas common salt does not undergo neutralisation.
Hence (c) is the correct answer.