If we want to learn machine learning & artificial intelligence programming for IOS, which is the tools , languages, modules ?

You can learn machine learning separately from iOS. If you don't know any coding, I'd start with a language, don't worry about machine learning. Swift is reasonably common on iOS, javascript/typescript will run in your browser, python is fairly beginner friendly and is commonly used for machine learning.

You can do machine learning in any language, but if you try to learn both at the same time, you've got to understand the maths and how it translates into code. Learning both at once can be confusing.

Most languages can be used in any environment, and once you know one language, picking up the second is easier.