You will need a surfactant of some sort in aqueous solution in order to disperse your particles. However, if you have dry particles, you may not end up with a well-dispersed system.
Anuruddha Mishra My guess is that you want to disperse this material; not dissolve it. If you really want to dissolve it, then there are 2 main ways:
- In hydrochloric and sulfuric acid, especially when fluorine is present
- Molten sodium hydroxide
If the former (dispersion) then the 3 steps from a powdered material are wetting (the use of a surfactant as mentioned by John Francis Miller above), separation (the key and difficult step; sonication is the norm), stabilization, if rapid agglomeration occurs after relaxation of sonication (a zeta potential issue that may be solved either with an appropriate concentration of an ionic stabilizer - phosphate e.g. Calgon is normal for inorganic oxides - or sterically with a polymer e.g. 50 kDa PEG or PEI). More on dispersion in this webinar (free registration required):
Dispersion and nanotechnology
https://www.malvernpanalytical.com/en/learn/events-and-training/webinars/W190528DispNanoMat
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