Here's why:

* Dissolving, not reacting: When sodium chloride is added to water, it dissolves. This means the ionic bonds holding the sodium (Na+) and chloride (Cl-) ions together break, and the ions become surrounded by water molecules. This process releases heat, but not enough to cause an explosion.

* No chemical reaction: The dissolution of salt in water is a physical change, not a chemical reaction. There are no new substances formed, just a change in state from solid to dissolved ions.

* Stable compound: Sodium chloride is a very stable compound. It doesn't readily react with water to produce any explosive products.

Misconceptions:

The idea that salt explodes in water might stem from confusing it with other substances:

* Sodium metal: Elemental sodium (Na) is highly reactive with water. The reaction releases a significant amount of heat and hydrogen gas, which can ignite and cause an explosion.

* Sodium hypochlorite: This compound, commonly found in bleach, can react with acids to produce chlorine gas, which is toxic and can be explosive in certain conditions.

Conclusion:

Salt dissolving in water is a safe and common process. It's important to distinguish between sodium chloride (table salt) and other substances that can react dangerously with water.