What happens when you mix caustic soda with sodium chloride?

When caustic soda (sodium hydroxide) is mixed with sodium chloride (table salt), a chemical reaction occurs where the sodium hydroxide reacts with the sodium chloride to form sodium hypochlorite and sodium chloride. This reaction is known as the chloralkali process. The resulting sodium hypochlorite is commonly used as a bleach or disinfectant. It is important to note that this reaction should be done with caution as it involves the use of caustic soda, which is a strong base and can be corrosive.