Combining water and olive oil in a microwave can have potentially hazardous consequences. It is generally not recommended to heat oil in a microwave, especially when mixed with water. Here's what can happen:
Uneven heating: Microwaves heat food by emitting electromagnetic waves that primarily target water molecules. Since oil does not contain water, it does not absorb microwaves efficiently. This can result in uneven heating, where the water heats up much faster than the oil. As a result, the water can reach boiling point and potentially splatter, causing burns or injury.
Risk of fire: Oil has a higher boiling point than water and can reach extremely high temperatures when heated in a microwave. If the oil becomes too hot, it can exceed its smoke point and ignite, leading to a fire hazard. The combination of oil and water can also create steam, which can further increase the risk of hot oil splattering.
Damage to the microwave: Heating oil in a microwave can generate intense heat, potentially causing damage to the microwave itself. The oil can overheat and may create hot spots, leading to scorching or even melting of the microwave's interior components.
To ensure safety and prevent accidents, it is advisable to avoid heating oil in a microwave, particularly when mixed with water or other liquids. It's best to use alternative methods such as stovetop cooking for heating oil or water separately.