Answer : The balanced chemical reaction will be,

Explanation :
Photosynthesis : It is a type of process that occurs in the green plant. In the photosynthesis process, the green plants use the energy of light to convert the carbon dioxide and water into glucose as a product and oxygen as a byproduct.
The balanced chemical reaction will be,

In the photosynthesis process, carbon dioxide and water are the reactans and the glucose and oxygen are the products.