A word's primary, secondary, even tertiary stress is listed in dictionaries. Try Dictionary.com. Stressed syllables are in bold; e.g., banana, and if you click on the speaker icon you will hear the word pronounced.
One of the issue for a non-native English speaker is pronunciation, and i'm not an exeption. search around the internet, i found many rules for word's main stress but it will be great for me to know your ideas.
further more, you should keep that in mind for later use, if not you will never learn any new