How Do you know if you are giving Too much water 4 Plant?

I never know if my plants are dying due to too much water or not enough. Is there something to look for in the color of the plant that would tell you if it's getting too much or not enough?

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.