Which one of these is beneficial for hydrating cucumbers beets scrambled eggs oatmeal

Both water and oats (found in oatmeal) are beneficial for hydrating cucumbers, as they provide moisture to the vegetables. However, water is more commonly used for hydrating cucumbers. Scrambled eggs and beets do not have a significant impact on hydrating cucumbers.

If you are referring to personal hydration, drinking water would be the best option.