Would bananas explode in water due to potassium?

When potassium (K) reacts with water the reaction products are KOH (potassium hydroxide) and hydrogen gas, plus a lot of heat. read more

A banana, like most other lifeforms, is about 70% water, and all the potassium it contains already exists in the form of K+ ions dissolved in water. Which is why bananas do not explode in water, or spontaneously combust. read more

Well, no. 50% of your DNA would blow up, but since bananas aren't 100% potassium, the entire 50% doesn't blow up. You've got to multiply the amount of water in your body by the amount of potassium in the bananas. Then you have to account for surface area. As we know, an increase in surface area allows for a reaction to happen quicker. read more