It will show the icon below on the packaging and will also advise in the use and care information supplied with the product. Another way to find out if your cookware is induction suitable is to use a magnet and check if it is attracted to the base of the pan.
To be induction suitable, a pan needs to have a magnetic base so if the magnet is attracted to the pan then you will know it is induction suitable. Care must always be taken to lift and not drag a pan across the surface of the hob.